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San Joaquin County <br /> Environmental Health Department DIRECTOR <br /> Donna Heran,REHS <br /> a y 1668 East Hazelton Avenue <br /> PROGRAM COORDINATORS <br /> Sfiockton, California 95205-6232 <br /> a Robert McClellon,REHS <br /> • Jeff Carruesco,REHS, RDI <br /> Website: www.sjgov.org/ehd Kasey Foley,REHS <br /> F o Rc� Linda Turkatte, REHS <br /> Phone: (209) 466-3420 Rodney Estrada, REHS <br /> Fax: (209) 464-0136 Adrienne Ellsaesser,REHS <br /> March 7, 2013 <br /> Erlinda &Vicente Hernandez <br /> Erlinda Hernandez Trust <br /> 4302 Boulder Creek <br /> Stockton, CA 95219 <br /> Subject: Arroyo's Smog Shop <br /> 3012 Waterloo Road <br /> Stockton, CA 95205 <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed 4th Quarter <br /> 2092 Groundwater Monitoring Report (Report), dated February 5, 2013, submitted on your <br /> behalf by Advanced GeoEnvironmental, Inc., (AGE). In the Report, AGE recommends that this <br /> site be considered for Low Risk Closure. The EHD concurs that this may be appropriate, but in <br /> order for the EHD to give further consideration for this request please prepare and submit a <br /> closure report that: <br /> 1) Demonstrates how each of the LTCP criteria is met; <br /> 2) Provides estimates of residual dissolved and sorbed contaminant masses; <br /> 3) Provides an estimate of the time required for dissolved contaminant concentrations to <br /> achieve background conditions of groundwater; <br /> 4) Demonstrates how plume is delineated laterally and vertically; and <br /> 5) That provides a human health risk assessment(HHRA). <br /> If you have any questions please call Lisa Medina at (209) 468-3455. <br /> ncerely, <br /> Lisa Medina, REH Nuel C. Henderson, Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> c: James Barton, CVRWQCB, 11020 Sun Center Drive, Suite 200, Rancho Cordova, CA 95670 <br /> William Little, AGE, 837 Shaw Road, Stockton, CA 95215 <br />